Finding the Fourth Proportional to 371,157.84, 512,201.16 and 201,393.36
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Solution
The fourth proportional to 371,157.84, 512,201.16 and 201,393.36 is: 277,924.65
Step by Step Solution
- Step 1: Write the proportion equation
371,157.84 : 512,201.16 = 201,393.36 : x - Step 2: Convert to fraction form
371,157.84/512,201.16 = 201,393.36/x - Step 3: Cross multiply
371,157.84x = 512,201.16 × 201,393.36 - Step 4: Simplify right side
371,157.84x = 103,153,912,608.30 - Step 5: Solve for x
x = 103,153,912,608.30/371,157.84 - Step 6: Final answer
x = 277,924.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.